code: def test_warnings(self):
      with warnings.catch_warnings():
          warnings.simplefilter("error", Warning)
          check = self.check_match
          check("[", "[[]")
          check("&", "[a&&b]")
          check("|", "[a||b]")
          check("~", "[a~~b]")
          check(",", "[a-z+--A-Z]")
          check(".", "[a-z--/A-Z]")
  
imports: import unittest
  import os
  import string
  import warnings
  from fnmatch import fnmatch, fnmatchcase, translate, filter
label_desc: Use image node_id 13 for calling the FnmatchTestCase obj's underlying member method code with example usage: obj.test_warnings() without return types